Hello, I'm

Ivan Karabeinikau

Lead Frontend Developer

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About Me

When I’m most useful

Greenfield projects from zero to production
Complex or forms-heavy frontend systems
Legacy codebases that need stabilization

Typical reasons to hire me

Architecture is unclear or overgrown
Delivery became unpredictable
Frontend slows down the whole product

Lead Frontend Developer / Frontend Architect with a focus on building and stabilizing complex frontend systems. From greenfield launches and architectural decisions to refactoring legacy codebases and creating internal tooling that speeds up delivery. I work with React, Next.js, TypeScript, and Node.js ecosystem. Available for Upwork, part-time, consulting, and short-term projects.

How I help projects

I help teams design, launch, stabilize, and scale complex frontend systems — from initial architecture to production-ready delivery. I’m usually brought in when a project needs clear architecture, predictable delivery, or serious refactoring — not just more code.

Build frontend systems end-to-end — from zero to production
Design scalable frontend architecture
Refactor and stabilize legacy codebases
Build internal tools and automation
Integrate AI-assisted workflows
Support teams as a technical leader

Technical skills

Frontend Architecture & Development

Expert

Deep experience in modern frontend development and architecture. Complex React and Next.js applications of any scale — from greenfield products to large enterprise systems.

React
Next.js
TypeScript
Tailwind CSS
Design systems & internal UI libraries

Backend Development

Experienced

Strong backend experience with a focus on full-stack applications and clean service design. Regular work with Node.js services, background jobs, and predictable integrations.

Node.js
MongoDB
Supabase (PostgreSQL)
REST APIs

Tools, CI/CD & Automation

Very experienced

Comfortable owning the full development lifecycle — from local setup to production deployments. Automation-first approach to CI/CD, testing, and environment management.